Select 13 unique numbers from 1 to 15
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 105
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 653,837,184,000 (~653.8 billion)
If order does not matter (e.g. most lottery numbers): 105
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 653,837,184,000 (~653.8 billion)